xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed_conf.h (revision 22649d4dba730d46244fd2dff4fd174903c8379f)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * This file and its contents are supplied under the terms of the
4  * Common Development and Distribution License ("CDDL"), version 1.0.
5  * You may only use this file in accordance with the terms of version
6  * 1.0 of the CDDL.
7  *
8  * A full copy of the text of the CDDL should have accompanied this
9  * source.  A copy of the CDDL is also available via the Internet at
10  * https://opensource.org/license/CDDL-1.0.
11  */
12 /*
13  * This file is part of the ZFS Event Daemon (ZED).
14  *
15  * Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
16  * Copyright (C) 2013-2014 Lawrence Livermore National Security, LLC.
17  */
18 
19 #ifndef	ZED_CONF_H
20 #define	ZED_CONF_H
21 
22 #include <libzfs.h>
23 #include <stdint.h>
24 #include "zed_strings.h"
25 
26 struct zed_conf {
27 	char		*pid_file;		/* abs path to pid file */
28 	char		*zedlet_dir;		/* abs path to zedlet dir */
29 	char		*state_file;		/* abs path to state file */
30 
31 	libzfs_handle_t	*zfs_hdl;		/* handle to libzfs */
32 	zed_strings_t	*zedlets;		/* names of enabled zedlets */
33 	char		*path;		/* custom $PATH for zedlets to use */
34 
35 	int		pid_fd;			/* fd to pid file for lock */
36 	int		state_fd;		/* fd to state file */
37 	int		zevent_fd;		/* fd for access to zevents */
38 
39 	int16_t max_jobs;		/* max zedlets to run at one time */
40 	int32_t max_zevent_buf_len;	/* max size of kernel event list */
41 
42 	boolean_t	do_force:1;		/* true if force enabled */
43 	boolean_t	do_foreground:1;	/* true if run in foreground */
44 	boolean_t	do_memlock:1;		/* true if locking memory */
45 	boolean_t	do_verbose:1;		/* true if verbosity enabled */
46 	boolean_t	do_zero:1;		/* true if zeroing state */
47 	boolean_t	do_idle:1;		/* true if idle enabled */
48 };
49 
50 void zed_conf_init(struct zed_conf *zcp);
51 void zed_conf_destroy(struct zed_conf *zcp);
52 
53 void zed_conf_parse_opts(struct zed_conf *zcp, int argc, char **argv);
54 
55 int zed_conf_scan_dir(struct zed_conf *zcp);
56 
57 int zed_conf_write_pid(struct zed_conf *zcp);
58 
59 int zed_conf_open_state(struct zed_conf *zcp);
60 int zed_conf_read_state(struct zed_conf *zcp, uint64_t *eidp, int64_t etime[]);
61 int zed_conf_write_state(struct zed_conf *zcp, uint64_t eid, int64_t etime[]);
62 
63 #endif	/* !ZED_CONF_H */
64